A screw drive is an example of :
Wedge
Pulley
Wheel-and-axle
Lever
The body on which work is done called :
Fulcrum
Load
Effort
Efficiency
Which of the following is not considered as a simple machine ?
Wheel barrow
A triangular shaped tool with a sharp edge is called :
Wheel and axle
Water can be drawn from the well with the help of ,which of the following equipment ?
Wedge : Knife :: Wheel and axle : ?
Nail
Axe
Screw
Screw driver
Pick out the odd one.
Knife
Needle
Door knobs
What is a simple machine?
Tool that gives electricity to other machines
A machine that does only one job
Any tool that makes work easier
A machine that is made up of many smaller parts
An example of class II lever is :
Beam balance
Pliers
Pair of seissors
Nut cracker
Point around which the lever rotates is called :
Centre